/*
 * Copyright (C) 2007-2016 Artima, Inc. All rights reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Example code from:
 *
 * Programming in Scala, Third Edition
 * by Martin Odersky, Lex Spoon, Bill Venners
 *
 * http://booksites.artima.com/programming_in_scala_3ed
 */

import scala.io.Source

object LongLines3 {
  import scala.io.Source
  
  object LongLines {
  
    def processFile(filename: String, width: Int) = {
  
      def processLine(line: String) = {
        if (line.length > width)
          println(filename + ": " + line.trim)
      }    
  
      val source = Source.fromFile(filename)
      for (line <- source.getLines())
        processLine(line)
    }
  }

  object FindLongLines {
    def main(args: Array[String]) = {
      val width = args(0).toInt
      for (arg <- args.drop(1))
        LongLines.processFile(arg, width)
    } 
  } 

  def main(args: Array[String]) = FindLongLines.main(args)
}

